VW Racing Intake Valve Guides vw crankshaft Hypereutectic pistons are made of

Hypereutectic pistons are made of a high silicon alloy

All are 5 hole style and come with black degree numbers and marks Seals

use of Quickseat in conjunction with Total Seal Gapless piston rings allowed for leakage rates to be 0-1% after about 5 minutes of break in time on the engine

These Pushrods are Designed to Withstand the Demands of Dual Valve Spring Loads and High RPM’s

precision ground and then micro polished

VW Racing Intake Valve Guides vw crankshaft Hypereutectic pistons are made ofSilicone Bronze is by far the most superior valve guide material available today. These valve guides are strong and durable. They reduce friction, improve lubrication and offer extended reliability. Intake guide is 53. 40mm long and exhaust guides are 58. 28mm long. Sold in sets of 4.